Thermal buoyancy driven flows inside a differentially heated enclosure with porous fins of multiple morphologies attached to the hot wall

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成果类型：

期刊论文

作者：

Wang, Lei;Liu, Run-Zhe;Liu, Di;Zhao, Fu-Yun*;Wang, Han-Qing

通讯作者：

Zhao, Fu-Yun

作者机构：

[Liu, Run-Zhe; Zhao, Fu-Yun; Wang, Lei] Wuhan Univ, Minist Educ, Key Lab Hydraul Machinery Transients, Wuhan, Hubei, Peoples R China.

[Liu, Run-Zhe; Zhao, Fu-Yun; Wang, Lei] Wuhan Univ, Hubei Key Lab Waterjet Theory & New Technol, Wuhan, Hubei, Peoples R China.

[Liu, Run-Zhe; Zhao, Fu-Yun; Wang, Lei] Wuhan Univ, Sch Power & Mech Engn, Dong Hu South Rd, Wuhan 430072, Hubei, Peoples R China.

[Liu, Di] China Univ Petr, Coll Pipeline & Civil Engn, Qingdao, Shandong, Peoples R China.

[Wang, Han-Qing] Univ South China, Sch Civil Engn, Hengyang, Hunan, Peoples R China.

通讯机构：

[Zhao, Fu-Yun] W

Wuhan Univ, Sch Power & Mech Engn, Dong Hu South Rd, Wuhan 430072, Hubei, Peoples R China.

语种：

英文

关键词：

Enclosure natural convection;Porous fins;Electronic cooling morphology;Numerical heat transfer and fluid flow

期刊：

International Journal of Thermal Sciences

ISSN：

1290-0729

年：

2020

卷：

147

页码：

106138

DOI：

10.1016/j.ijthermalsci.2019.106138

基金类别：

National Key Research and Development Program of the Ministry of Science and Technology of China [2018YFC0705201, 2018YFB0904200]; Natural Science Foundation of China (NSFC)National Natural Science Foundation of China [51778504, U1867221]; Beijing Institute of Satellite Environmental Engineering (CAST-BISEE Grant) [CAST-BISEE2019-025]; Joint Zhuzhou - Hunan Provincial Natural Science Foundation [2018JJ4064]; National Defense Research Funds for the Central Universities [2042018gf0031]; Shandong Provincial Natural Science FoundationNatural Science Foundation of Shandong Province [ZR2018MEE035]; Collaborative Innovation Center for Building Energy Conservation and Environment Control, Hunan Province, China

机构署名：

本校为其他机构

院系归属：

土木工程学院

摘要：

The application of porous media for electronic cooling process, instead of solid one, generally strengthens heat conduction while weakens convection insignificantly at high Darcy number. In the present work, effects of morphology and topology of porous fins on the laminar natural convection heat transfer were investigated in a differentially heated enclosure. Volume averaged Darcy-Forchheimer model was applied to solve the transport process within the porous media while the Navier-Stokes equations were employed within pure fluid region. Relevant governing parameters, including thermal Rayleigh...

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Thermal buoyancy driven flows inside a differentially heated enclosure with porous fins of multiple morphologies attached to the hot wall

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